Showing 256-270 of 1110
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What do we know about the production and release of persistent organic pollutants in the global environment?
Science
26 Oct 2022 | Environ. Sci. Adv.
The U.S. has the highest cumulative environmental releases of PFOS, whereas Europe has the highest cumulative environmental releases of PFOA.
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[AAAS Webinar] Listing PFAS under Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA)
Events
25 Oct 2022
During this public, virtual event hosted by the AAAS Center for Scientific Evidence in Public Issues, the panelists will discuss CERCLA, the significance of listing PFOA and PFOS as hazardous substances, and the process the U.S. EPA has outlined for finalizing the rule.
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Targeted analysis and total oxidizable precursor assay of several insecticides for PFAS
Science
10 Oct 2022 | JHM Letters
PFOS was detected in 6 out of 10 tested insecticides at concentrations up to 19,200,000 ppt, with 7 additional PFAS found via non-targeted techniques.
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[Public Review] World Health Organization revisions to the guidelines for drinking-water quality
Policy
3 Oct 2022
Guidelines for drinking-water quality for PFAS, with a focus on PFOS and PFOA, are posted for public comment. Comments should be sent by 11 November 2022 to [email protected].
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Uptake of per-and polyfluoroalkyl substances (PFAS) by soybean across two generations
Science
3 Oct 2022 | J. Hazard. Mater. Adv.
Considering widespread PFAS contamination and the ability of soybean plants to uptake PFAS, soybean seeds may need to be quantified for PFAS concentrations before their use in agricultural fields.
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Emerging contaminants migration from pipes used in drinking water distribution systems: a review of the scientific literature
Science
20 Sep 2022 | Environ Sci Pollut Res Int
PFOA, PFNA, PFDA, PFOS, and PFHxS were detected at levels indicating a potential non-carcinogenic health risk to consumers.
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Perfluoroalkyl and polyfluoroalkyl substances (PFASs) crossing the blood-cerebrospinal fluid barrier: Their occurrence in human cerebrospinal fluid
Science
15 Sep 2022 | J Hazard Mater
New and legacy PFAS were found cerebrospinal fluid at levels lower than in blood, though levels were higher in the elderly compared with other age groups.
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Associations of perfluoroalkyl and polyfluoroalkyl substances with gestational hypertension and blood pressure during pregnancy: A cohort study
Science
8 Sep 2022 | Environ Res
Higher concentrations of PFAS during early pregnancy were associated with lower gestational hypertension risk and reduced blood pressure measures in the third trimester in a population with relatively high exposure levels.
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Drinking Water-Associated PFAS and Fluoroethers and Lipid Outcomes in the GenX Exposure Study
Science
7 Sep 2022 | Environ Health Perspect
PFNA and PFOS exposure through drinking water was associated with higher levels of total cholesterol, especially in older adults.
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Distribution of Per-and Poly-fluoroalkyl Substances and Their Precursors in Human Blood
Science
5 Sep 2022 | J. Hazard. Mater.
This study reports for the first time the partitioning of N-MeFOSA and N-EtFOSA in human blood.
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EPA finally moves to label some ‘forever chemicals’ as hazardous
News
29 Aug 2022 | The Washington Post
The long-awaited move from the Environmental Protection Agency is meant to spark the cleanup of scores of sites defiled by industrial compounds and make the public more aware of their presence.
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Polluters could pay billions in fines for PFAS cleanup under new Biden plan
News
29 Aug 2022 | The Guardian
The Biden administration on Friday announced a new proposal that could force polluters of two common PFAS compounds to pay billions of dollars for the toxic substances’ cleanup.
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EPA Proposes Designating Certain PFAS Chemicals as Hazardous Substances Under Superfund to Protect People’s Health
Policy
26 Aug 2022
The proposal applies to PFOA and PFOS, including their salts and structural isomers, and is based on significant evidence that they may present a substantial danger to human health or welfare or the environment.
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EPA to designate ‘forever chemicals’ as hazardous substances
News
26 Aug 2022 | AP News
The Environmental Protection Agency moved Friday to designate two “forever chemicals” used in cookware, carpets and firefighting foams as hazardous substances, a step that would clear the way for quicker cleanup of the toxic compounds, which have been linked to cancer and other health problems.
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Bioaccumulation and trophic transfer of perfluorinated alkyl substances (PFAS) in marine biota from the Belgian North Sea: Distribution and human health risk implications
Science
16 Aug 2022 | Environ Pollut
Potential human consumption risks were expected for some PFAS-contaminated species such as brown shrimp, plaice, sole, and whiting.